Most likely you have a flasher that needs to be replaced.
YES.
It is bolted in the drivers side of the transmission tail shaft housing. That is were the driveshat fits into the transmission. It is held in place with 1 bolt.
A 1993 Chevy does not have a carburetor, it is fuel injected.
4L60E transmission.
1993 chevy 4.3 v6 1500 truck temp gauge inoperative,
inside the distributor
225/75/15
Yes.
4L60E automatic with overdrive.
YES
Should be about 5500 Lbs.
5 Qts. with a new filter.